/Engine/Source/Runtime/CoreUObject/Public/UObject/ScriptInterface.h
Assignment from another script interface of a compatible interface type
template<typename OtherInterfaceType, decltype(ImplicitConv< InterfaceType * >(std::declval< OtherInterfaceType >()))*> [TScriptInterface](API\Runtime\CoreUObject\UObject\TScriptInterface) & operator= ( const [TScriptInterface](API\Runtime\CoreUObject\UObject\TScriptInterface)< OtherInterfaceType > & Other )